xref: /linux/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml (revision 566ab427f827b0256d3e8ce0235d088e6a9c28bd) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/input/touchscreen/edt-ft5x06.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: FocalTech EDT-FT5x06 Polytouch
8
9description: |
10             There are 5 variants of the chip for various touch panel sizes
11              FT5206GE1  2.8" .. 3.8"
12              FT5306DE4  4.3" .. 7"
13              FT5406EE8  7"   .. 8.9"
14              FT5506EEG  7"   .. 8.9"
15              FT5726NEI  5.7” .. 11.6"
16
17maintainers:
18  - Dmitry Torokhov <dmitry.torokhov@gmail.com>
19
20allOf:
21  - $ref: touchscreen.yaml#
22  - if:
23      properties:
24        compatible:
25          contains:
26            enum:
27              - evervision,ev-ft5726
28
29    then:
30      properties:
31        offset-x: true
32        offset-y: true
33
34properties:
35  compatible:
36    enum:
37      - edt,edt-ft5206
38      - edt,edt-ft5306
39      - edt,edt-ft5406
40      - edt,edt-ft5506
41      - evervision,ev-ft5726
42      - focaltech,ft5426
43      - focaltech,ft5452
44      - focaltech,ft6236
45      - focaltech,ft8201
46      - focaltech,ft8719
47
48  reg:
49    maxItems: 1
50
51  interrupts:
52    maxItems: 1
53
54  reset-gpios:
55    maxItems: 1
56
57  wake-gpios:
58    maxItems: 1
59
60  wakeup-source: true
61
62  vcc-supply: true
63  iovcc-supply: true
64
65  gain:
66    description: Allows setting the sensitivity in the range from 0 to 31.
67                 Note that lower values indicate higher sensitivity.
68    $ref: /schemas/types.yaml#/definitions/uint32
69    minimum: 0
70    maximum: 31
71
72  offset:
73    description: Allows setting the edge compensation in the range from 0 to 31.
74    $ref: /schemas/types.yaml#/definitions/uint32
75    minimum: 0
76    maximum: 31
77
78  offset-x:
79    description: Same as offset, but applies only to the horizontal position.
80                 Range from 0 to 80, only supported by evervision,ev-ft5726 devices.
81    $ref: /schemas/types.yaml#/definitions/uint32
82    minimum: 0
83    maximum: 80
84
85  offset-y:
86    description: Same as offset, but applies only to the vertical position.
87                 Range from 0 to 80, only supported by evervision,ev-ft5726 devices.
88    $ref: /schemas/types.yaml#/definitions/uint32
89    minimum: 0
90    maximum: 80
91
92  report-rate-hz:
93    description: |
94                 Allows setting the scan rate in Hertz.
95                  M06 supports range from 30 to 140 Hz.
96                  M12 supports range from 1 to 255 Hz.
97    minimum: 1
98    maximum: 255
99
100  threshold:
101    description: Allows setting the  "click"-threshold in the range from 0 to 255.
102    $ref: /schemas/types.yaml#/definitions/uint32
103    minimum: 0
104    maximum: 255
105
106  touchscreen-size-x: true
107  touchscreen-size-y: true
108  touchscreen-fuzz-x: true
109  touchscreen-fuzz-y: true
110  touchscreen-inverted-x: true
111  touchscreen-inverted-y: true
112  touchscreen-swapped-x-y: true
113  interrupt-controller: true
114
115additionalProperties: false
116
117required:
118  - compatible
119  - reg
120  - interrupts
121
122examples:
123  - |
124    #include <dt-bindings/gpio/gpio.h>
125    #include <dt-bindings/interrupt-controller/arm-gic.h>
126    i2c {
127      #address-cells = <1>;
128      #size-cells = <0>;
129      touchscreen@38 {
130        compatible = "edt,edt-ft5406";
131        reg = <0x38>;
132        interrupt-parent = <&gpio2>;
133        interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
134        reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
135        wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
136      };
137    };
138
139...
140